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Re:1 2 4 8 16 32 31 63 126 252 504 473

Posted by gf_lu at 2006-12-11 11:18:12 on Problem 3134
In Reply To:1 2 4 8 16 32 31 63 126 252 504 473 Posted by:wanglei at 2006-12-10 14:33:22
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